Results 21 to 30 of about 2,416 (202)
New multiple access and waveform technology for 6G
Dianxin kexue, 2022 With the explosive growth of Internet devices, the 5G new radio (NR) system faces congestion and high latency issues due to the low access efficiency of traditional orthogonal multiple access (OMA).Besides this, the performance of the orthogonal ...
Hua LI +4 more
doaj +2 more sources
Synthesis of Poly (2,5-dimethoxyaniline) and Electrochromic Properties [PDF]
Materials Research, 2015 Poly(2,5-dimethoxyaniline) (PDMA) was synthesized using electrochemical polymerization of DMA in oxalic acid. The PDMA film coated onto ITO glass was studied for its chemical structure, morphology, electro-deposition, and electro-activity by FT-IR, TGA ...
Patcharin Mungkalodom +3 more
doaj +2 more sources
Best practices in new product development and innovation: results from PDMA 's 2021 global survey / [PDF]
, 2023 Extending 30 years of NPD best practice studies, this paper presents the results of the most recent 2021 global best practice survey on product development management practices conducted by the Product Development & Management Association (PDMA).
Knudsen, Mette Praest, +11 more
core +2 more sources
IEEE Access, 2018 In order to meet the requirements of high system throughput, massive connectivity, and asynchronous transmission for 5G and beyond, non-orthogonal transmission techniques, including modulation techniques and multiple access techniques, have attracted a ...
Xin Bian +4 more
doaj +1 more source
Materials Research Express, 2021 A fast self-healing hydrogel system with high strength and excellent response to the near infrared light (NIR) was proposed. The effect of graphene oxide (GO) on the mechanical and self-healing properties of poly(N,N-Dimethylacrylamide) (PDMA) hydrogels ...
Hongyan Wu +8 more
doaj +1 more source
Revista Eletrônica de Ciência Administrativa, 2021 The technological convergence scenario represented by the connection of the user's cell phone to the sound system, the availability of a GPS and maneuvering camera on the dashboard car brings a perception of multifunctionality to the decision process of ...
Emilio José Montero Arruda Filho +1 more
doaj +1 more source
Structure investigation of nanohybrid PDMA/silica hydrogels at rest and under uniaxial deformation [PDF]
, 2015 International audienceNano-hybrid hydrogels were prepared by cross-linking polymerization of N,N-dimethylacrylamide (DMA) within a dispersion of silica nano-particles. Working at constant polymer/water ratio, the mechanical properties of hydrogels can be
Cousin, Fabrice +5 more
core +1 more source
The 2022 PDMA Doctoral Consortium: Emerging Research Priorities in New Product Development and Innovation and Insights into Community Building [PDF]
, 2023 In July 2022, the University of Tennessee at Knoxville (UTK) hosted the fifth Product Development Management Association (PDMA) Doctoral Consortium. As a critical vehicle to promote doctoral student research and scholarly networking, this consortium ...
Yazhen Xiao +3 more
core +1 more source
Polymer-coated hexagonal upconverting nanoparticles: chemical stability and cytotoxicity
Frontiers in Chemistry, 2023 Large (120 nm) hexagonal NaYF4:Yb, Er nanoparticles (UCNPs) were synthesized by high-temperature coprecipitation method and coated with poly(ethylene glycol)-alendronate (PEG-Ale), poly (N,N-dimethylacrylamide-co-2-aminoethylacrylamide)-alendronate (PDMA-
Vitalii Patsula +12 more
doaj +1 more source
Downlink Power Allocation Optimization in Pattern Division Multiple Access
IEEE Access, 2021 Non-orthogonal multiple access (NOMA), in particular pattern division multiple access (PDMA), has been recently considered as the critical multiple access technologies deployed for 5G applications.
Jie Zeng +5 more
doaj +1 more source